ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,770, issued on Aug. 11, was assigned to TOYOBO Co. LTD. (Osaka, Japan).

"Heat-shrinkable polyester film, heat-shrinkable label, and package product" was invented by Masayuki Haruta (Tsuruga, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a heat-shrinkable polyester film with high heat shrinkage ratio in a main shrinkage direction and is also satisfactorily recyclable with used beverage PET bottles to produce a recycled PET resin. The heat-shrinkable polyester film comprises 95-100 mol % of dicarboxylic acid and 0-5 mol % of isophthalic acid in 100 mol % of whole dicarboxylic acid component, 85-98 mol % of ethylene tereph...